# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:        博智科技  
# Name:         demo2335
# Description:  数组垂直组合
# Author:       yzl
# Date:         2019-03-12
#-------------------------------------------------------------------------------

from numpy import *

a = arange(12).reshape(3,4)
b = arange(16).reshape(4,4)
c = arange(20).reshape(5,4)

d = vstack((a,b,c))
print(d)
print(d[11,3])

